Front Design:
A montage of the three sports which form the triathlon, with the London 2012 logo above and the denomination, "50 PENCE", below.
 
Obverse Design:
Queen Elizabeth II portrait by Ian Rank-Broadley FRBS
 
More about the Triathlon 50p
The Olympic Triathlon consists of 1.5km swimming, 40km cycling and 10km running all completed consecutively. The sport made its debut at the Syndey Games in 2000, and Alistair Brownlee won Britain's first ever gold in the event at the 2012 games.